Public libraries are core organization of knowledge information and culture creation in the knowledge-based society in 21st century. The purpose of this study is to propose a development plan for public library as a user-friendly cultural space that provides service and utilization of efficient knowledge information resources. To achieve this goal, the study carried out a survey targeting 525 users of 21 public libraries members of Jeollanamdo education office. The results identified the perception gap in respect of operation satisfaction, creation of social capital, and area development contribution. This research also proposed an alternative approaches to overcome difficulties.